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Reliability and Validity of the Korean Version of Gerry’s Assertiveness Scale for Nurses
Heeseung Choi,Yeseul Joen,Hannah Kim,Ujin Lee,Eun-Hi Kong 한국간호과학회 2021 한국간호과학회 학술대회 Vol.2021 No.10
Aim: Assertiveness, the ability to express one’s rights, thoughts, and feelings while respecting the rights of others, is an essential skill for a nurse to maintain professional boundaries and provide appropriate nursing care in healthcare settings. This study evaluated the validity and reliability of the Korean version of Gerry’s Assertiveness Scale (K-GAS) for nurses. Methods: The K-GAS was developed using a committee translation method: 1) translation by two bilingual translators, 2) back-translation by two bilingual translators, and 3) review of the accuracy and consistency of the K-GAS in the Korean cultural context by six nursing experts and two linguists. Data were collected from 252 nurses from secondary and tertiary hospitals in South Korea. Descriptive statistics, Pearson’s correlation coefficient, and Cronbach’s alpha were used to evaluate the psychometric properties of the K-GAS. Criterion validity was evaluated using Rathus’ Assertiveness Schedule. Correlations with nurses’ general characteristics and empathy competency were also examined. Results: In the item analyses, all items were retained in the final scale. For the total of 30 items, item-total correlation ranged from 0.257-0.626. Skewness (0.000-0.726) and kurtosis (0.009-0.756) for each item were acceptable and met the assumption of normal distribution. Internal consistency of the K-GAS was reliable and Cronbach’s alpha was .847. Criterion validity was identified with a high correlation with Rathus’ Assertiveness Schedule (r=.743, p<0.01). The level of assertiveness was positively associated with age (r=.167, p<0.01), professional experiences (r=.185, p<0.01), and education level (r=.128, p<0.05). Meanwhile, it was negatively associated with previous communication education (r= -.163, p<0.05) and empathy competence (r = -199, p<0.01). Conclusion: The Korean version of Gerry’s Assertiveness Scale is a valid and reliable tool for measuring the assertiveness of nurses working in hospitals. The scale could be widely used to assess assertiveness among nurses.